S2: The world, a heat bath, ...Exchange of heat energy \(\Delta Q\)
\(T_{1} = T_{2} = T\)
fixed volume \(V\)
fixed particle number \(N\)
\(p\): pressure
\(\mu\): chemical potential
\(S\): entropy !!!
many solids (\(V\) fixed)
gas in a fixed volume
© J. Carstensen (Stat. Meth.)